75312001 has 4 divisors (see below), whose sum is σ = 76914432. Its totient is φ = 73709572.

The previous prime is 75311987. The next prime is 75312037. The reversal of 75312001 is 10021357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75312001 - 2⁵ = 75311969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75312001.

It is not an unprimeable number, because it can be changed into a prime (75312301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801145 + ... + 801238.

It is an arithmetic number, because the mean of its divisors is an integer number (19228608).

Almost surely, 2^75312001 is an apocalyptic number.

It is an amenable number.

75312001 is a deficient number, since it is larger than the sum of its proper divisors (1602431).

75312001 is a wasteful number, since it uses less digits than its factorization.

75312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602430.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 75312001 is about 8678.2487288623. The cubic root of 75312001 is about 422.3003054752.

Adding to 75312001 its reverse (10021357), we get a palindrome (85333358).

The spelling of 75312001 in words is "seventy-five million, three hundred twelve thousand, one".